CN109480759A - Self-service eye test equipment - Google Patents
Self-service eye test equipment Download PDFInfo
- Publication number
- CN109480759A CN109480759A CN201910012904.9A CN201910012904A CN109480759A CN 109480759 A CN109480759 A CN 109480759A CN 201910012904 A CN201910012904 A CN 201910012904A CN 109480759 A CN109480759 A CN 109480759A
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- China
- Prior art keywords
- character
- self
- rack
- inspection
- eye
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0016—Operational features thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0083—Apparatus for testing the eyes; Instruments for examining the eyes provided with means for patient positioning
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B3/032—Devices for presenting test symbols or characters, e.g. test chart projectors
Abstract
The invention discloses a kind of self-service eye test equipment and apply the self-service method tested eyesight of the equipment, equipment utilization multisensor determines that subject automatically begins to test in place afterwards, it is simple eye by Automated shade, show that the confirmation of character, subject self-service key, eyes successively test automatically in the way of enable subject is convenient oneself to complete binocular vision test, accelerate test speed, reduce the error of manual testing, reduce artificial occupancy, it improves efficiency, large quantities of personnel is suitble to carry out the vision drop on basis.
Description
Technical field
The present invention relates to eye test apparatus fields, specifically relate to a kind of self-service eye test equipment.
Background technique
Eyesight, that is, Snazzi degree, the main visual function for reflecting macular area.Early detection of the eye test for ophthalmology disease, it is early
Phase treatment has very important meaning.The development of human vision was the progressive process increased with the age, at children 5~7 years old
1.0 twenty-twenty visions should just be reached, until 8~9 years old, children's vision development is basically completed.As Chinese children visual impairment is more drilled
Stronger, from country to place, school, family to eyesight pay much attention to, have frequent eye test in school, per term is extremely
It is 1 ~ 2 time few.And eye test is time-consuming and laborious, tissue high-volume child manually checks eyesight, and examiner is easy to fatigue, in screening
In it is easy to appear being careless in one's work, situations such as ignoring, omit, check inaccuracy, child is also not easy to cooperate.Even at
The vision drop of year people, as eye test heavy workload, the strong reason of eye test work repeatability, lead to examiner
It can be easy to feel tired and occur boredom in batch screening, lead to the validity checked decline.
Summary of the invention
It is an object of the invention to overcome the shortcoming of above-mentioned traditional technology, child or adult can be allowed by providing one kind
Self check eyesight, it is ensured that the accurate self-service eye test equipment of eye test.
The purpose of the present invention is what is reached by following technical measures:
Self-service eye test equipment, including alphanumeric display, it is characterised in that: the alphanumeric display is electrically connected with inspection control
System, the alphanumeric display have been provided opposite to inspection desk, Head And Face rack and character direction are connected on the inspection desk
Confirm that keyboard, the Head And Face rack are equipped with the inspection window being correspondingly arranged with eyes position towards the side of alphanumeric display,
The inspection window is equipped with simple eye masking device, and the simple eye masking device can adjust masking and check that window is corresponding with any eye
Part, the Head And Face rack are equipped with range sensor far from the side of alphanumeric display, set on character direction confirmation keyboard
There is character direction acknowledgement key, the inspection control system and range sensor, simple eye masking device and character direction confirm keyboard
Electrical connection.
As a preferred embodiment, the alphanumeric display is placed on display lifting device, the display lifting device
Drive alphanumeric display lifting.
As a preferred embodiment, the inspection desk includes inspection desk pedestal and the rack that is connected in inspection desk pedestal
Lifting device, the Head And Face rack are placed on rack lifting device, and the rack lifting device drives Head And Face
Rack is gone up and down with respect to inspection desk.
As a preferred embodiment, the rack lifting device includes rack lifting driving and rack position detection
Component, the display lifting device include display lifting driving and screen position detection part, the inspections control system and
Rack position detection component, display lifting driving and the electrical connection of screen position detection part；
The inspection control system is according to rack position detection component and screen position detection part feedback position signal control
System display lifting drive actions, by alphanumeric display adjust to Head And Face rack horizontal position.
As a preferred embodiment, the simple eye masking device includes the masking drive of anti-dazzling screen and driving anti-dazzling screen movement
It is dynamic.
As a preferred embodiment, the masking driving includes masking driving motor, the motor of the masking driving motor
First gear is connected on axis, the first gear is sequentially connected with second gear, the second gear and the fixed company of anti-dazzling screen
It connects.
As a preferred embodiment, it is set on the Head And Face rack there are two light sensor, described two light pass
Sensor, which is placed in, checks the two sides of window, and the light sensor is equipped with anti-dazzling screen.
As a preferred embodiment, the range sensor include upper left range sensor, upper right range sensor and under
Range sensor, the upper left range sensor and upper right range sensor, which are symmetrically placed in, checks window top two sides, under described
Range sensor, which is placed in, checks side of the window far from alphanumeric display.
The method for carrying out self-service eye test using above-mentioned self-service eye test equipment, includes the following steps:
Step 1, booting check that control system adjustment alphanumeric display and Head And Face rack are in the same horizontal position；
Step 2 checks that control system detects that subject's Head And Face is accurately placed in Head And Face and places by range sensor
Light sensor signal is checked after frame, is determined according to light sensor signal and is checked that the inspection side that window is not covered by anti-dazzling screen is a left side
Eye or right eye, record and start the inspection of the inspection side；
Step 3, self-service eye test check that control system sends single character and shows information to alphanumeric display, and character is shown
Screen shows single character, and character, which is shown, continues T seconds time, recognizes that character is directed toward for subject, subject is by pressing character side
Upper key, down key, left button and right button on acknowledgement key confirm recognition result, check that control system receives character direction acknowledgement key letter
Judge that recognition result shows information to wrong, record data, the next character of transmission after breath；Subject connects a certain normal size character
After continuous N1 accuracy of judgement to judge incorrectly for smaller small level-one malapropism symbol continuous N2 time or continuously N2 times within T seconds periods not
When making a choice, which terminates, and checks that control system determines to be somebody's turn to do according to the minimum character of continuous N1 accuracy of judgement
Eye vision simultaneously records, while controlling simple eye masking device and switching to the masking inspection window other side, continues test and checking to eyes
It finishes；
Step 4, subject's eyes inspection terminate, and check that control system completes eyesight record, transmission log or print record.
In step 3, time duration T value takes the minimum value in following the two: 1, maximum length in time section is T1
Second；It 2, is T2 seconds by pressing the period of character direction acknowledgement key from alphanumeric display display character to subject.Longest is held
The continuous period T1 seconds i.e. single character longest of subject can recognize the time, general 2-3 seconds optional, for primary grades children, can drink
Feelings extend.
In step 3, check that the original character size that control system is sent is determined according to subject's historical information, it can also
To be determined using group's mean vision information.Check that control system continuously displays M0 initial size character and identifies for subject,
Display smaller small level-one malapropism symbol is sent when identifying correct subject's continuous N 0 time, until subject is to a certain normal size word
Accord with after continuous N1 accuracy of judgement to the continuous N2 misjudgment of smaller small level-one malapropism symbol or continuously N2 times in T seconds periods
When not making a choice inside, which terminates；Conversely, 0 identification of subject's continuous N is wrong or continuous N 0 time at T seconds
Between when not making a choice in section, send and show bigger big level-one malapropism symbol, until subject connects a certain normal size character
After continuous N1 accuracy of judgement to judge incorrectly for smaller small level-one malapropism symbol continuous N2 time or continuously N2 times within T seconds periods not
When making a choice, which terminates.Wherein N2 >=N1 >=M0, General N 2 can use 3-5, and N1 takes 3-4, M0 to take 2-3, compares
Be conducive to quick and precisely complete to check and obtain accurate result.
By adopting the above-described technical solution, compared with prior art, the invention has the advantages that
The invention discloses a kind of self-service eye test equipment and the self-service method tested eyesight of the equipment is applied, equipment utilization is more
Sensor determines that subject automatically begins to test in place afterwards, simple eye using Automated shade, show that character, subject are self-service automatically and press
The mode that key confirmation, eyes are successively tested enables subject is convenient oneself to complete binocular vision test, accelerates test speed,
The error for reducing manual testing, reduces artificial occupancy, improves efficiency, and large quantities of personnel is suitble to carry out the vision drop on basis.
Present invention will be further explained below with reference to the attached drawings and specific embodiments.
Detailed description of the invention
Attached drawing 1 is a kind of structural schematic diagram of self-service eye test equipment of the present invention.
Attached drawing 2 is the structural schematic diagram for showing lifting device.
Attached drawing 3 is the structural schematic diagram of rack lifting device.
Attached drawing 4 is the structural schematic diagram of character direction confirmation keyboard and elevating control button.
Attached drawing 5 is the structural schematic diagram of Head And Face rack.
Attached drawing 6 is the structural schematic diagram of simple eye masking device.
Specific embodiment
Embodiment: as shown in attached drawing 1 to 6, self-service eye test equipment, including check control system and alphanumeric display 1,
It checks that control system includes host, display driving part, signal receiving part, action drives component and identity recognition device, shows
Show that driving part is electrically connected with alphanumeric display 1, and successively shows the character of corresponding different eyesights on alphanumeric display 1；Institute
It states alphanumeric display 1 to be placed on display lifting device, the display lifting device driving alphanumeric display 1 is gone up and down.Identity is known
Other device can identify equipment, fingerprint identification device even face using traditional magnetic stripe card card swiping device, bar code/two dimensional code
Portion identifies equipment, can be with as long as being capable of convenient typing subject's personally identifiable information.Such equipment is known skill
Art does not repeat.
As shown in Fig. 2, the display lifting device includes display screen lifting pedestal 2, and display screen lifting pedestal 2 is equipped with
It shows lifting column 3, is set with display screen connecting column 4 in the display lifting column 3, the alphanumeric display 1 is fixedly installed in aobvious
4 upper end of display screen connecting column, is equipped with display lifting driving 41 in the display screen lifting pedestal 2, the display lifting driving 41 and
Check that the action drives component electrical connection of control system, the display lifting driving 41 use linear motor, the display lifting
The motor shaft and display screen connecting column 4 of driving 41 are hinged, and the 41 driving display screen connecting column 4 of display lifting driving rises along display
Drop column 3 moves up and down.
As shown in attached drawing 1 and 3, the alphanumeric display 1 has been provided opposite to inspection desk, and inspection desk side is equipped with seat 13,
The inspection desk includes inspection desk pedestal 10 and rack lifting device, and the rack lifting device is placed equipped with Head And Face
Frame 5, the rack lifting device driving Head And Face rack 5 are gone up and down with respect to inspection desk.Specifically, the inspection desk pedestal 10
Including inspection desk lifting column 11, the rack lifting device includes rack connecting column 12 and rack lifting driving 121, institute
It states rack lifting driving 121 to be electrically connected with the action drives component of control system is checked, the rack connecting column 12 is set with
In in inspection desk lifting column 11, the Head And Face rack 5 is placed in 12 upper end of rack connecting column, and the rack lifting is driven
Dynamic 121 use linear motor, and the motor shaft and display screen connecting column 4 of the rack lifting driving 121 are hinged, the rack
121 driving rack connecting column 12 of lifting driving is moved up and down along inspection desk lifting column 11.
Certainly, the display lifting driving 41 and rack lifting driving 121 can also be passed through using traditional stepper motor
Transmission mechanism is converted to the structure of linear motion, and this structure is conventional selection, does not repeat.
As shown in Fig. 2, the display lifting device includes screen position detection part 14, the screen position inspection
It surveys component 14 and is placed in display 3 upper end of lifting column, screen position detection part described in the present embodiment 14 is triggered using fine motion
Switch, triggering screen position detection part 14 issues position reset signal when display screen connecting column 4 minimizes portion.
As shown in Fig. 3, the rack lifting device includes rack position detection component 15, the placement rack position
Detection part 15 is placed in 11 upper end of inspection desk lifting column, and rack position detection component described in the present embodiment 15 uses fine motion
Trigger switch, triggering rack position detection component 15 issues position reset signal when rack connecting column 12 minimizes portion.
The signal receiving part for checking control system and screen position detection part 14 and rack position detection
Component 15 is electrically connected, and after device power-up, is checked the action drives component of control system by display lifting driving 41 and is placed
121 movement of frame lifting driving, alphanumeric display 1 and Head And Face rack 5 are resetted, the display centre of alphanumeric display 1 is reached
Subject's eyes position corresponding with Head And Face rack 5 is in the initial position of the same horizontal position, utmostly to guarantee
Eyesight identification is accurate.
As shown in attached drawing 1 and 4, the inspection desk side is equipped with character direction confirmation keyboard 8 and elevating control button 9, institute
It states character direction confirmation keyboard 8 to be electrically connected with the host for checking control system, the character direction confirmation keyboard 8 is equipped with character
Direction acknowledgement key, the character direction acknowledgement key include at least upper key, down key, left button and right button.Subject by press upper key,
Down key, left button and right button confirm oneself identification character result.The elevating control button 9 drives 121 with rack lifting and shows
Show 41 electrical connection of lifting driving, it is synchronous with display lifting driving 41 to control rack lifting driving 121 by elevating control button 9
Movement, make alphanumeric display 1 and Head And Face rack 5 synchronize rise or fall, guarantee that Head And Face rack 5 is located at subject and closes
Suitable height, and the eyes of subject are in same level on the character of 1 display centre of alphanumeric display and Head And Face rack 5
Position.Up-regulation key and down key can also be arranged in the character direction acknowledgement key, for adult have higher self-disciplining,
Compliance and judgment, subject, which has the big small characters, determines that up-regulation key can be pressed when holding and can identify quickly to be adjusted to more
Small small rank size character, or determine that pressing down key when the big small characters of the rank can not accurately identify quickly is adjusted to more
Big big level-one malapropism symbol, accelerates to check speed purpose to reach.
As shown in attached drawing 1 and 5, the Head And Face rack 5 is equipped with and eyes position pair towards the side of alphanumeric display 1
The inspection window 6 that should be arranged, the inspection window 6 can be specifically divided into and subject's left eye corresponding left eye window area and corresponding with right eye
Right eye window area, the inspection window 6 are equipped with simple eye masking device, the simple eye masking device and the movement drive for checking control system
Dynamic component electrical connection, the simple eye masking device can adjust masking left eye window area or right eye window area, only allow left eye or right eye
Median ocellus sees the alphanumeric display 1 on opposite by the inspection window 6 of corresponding position.
As shown in Fig. 6, the simple eye masking device includes anti-dazzling screen 17, masking drives and light sensor 16, described
Light sensor 16 is electrically connected with masking driving, and the light sensor 16 and masking driving are electrically connected with control system is checked
It connects.The masking driving includes masking driving motor 20, is connected with first gear on the motor shaft of the masking driving motor 20
19, the first gear 19 is sequentially connected with second gear 18, and the second gear 18 is fixedly connected with anti-dazzling screen 17.The screening
Driving motor 20 is covered to drive anti-dazzling screen 17 to swing and block the left eye window area or right eye window area checked in window 6.The light level
There are two device 16 is total, described two light sensors 16 are placed on the Head And Face rack 5 for checking 6 two sides of window.When masking is driven
Dynamic motor 20 drives anti-dazzling screen 17 to be rocked to side and blocks the side light sensor 16, masking driving receives the side light level
Device 16 issue light be blocked signal when stop masking driving motor 20；After not covering side eye test, control is checked
System processed issues reverse signal, and masking is driven through masking driving motor 20 and drives anti-dazzling screen 17 to side oscillation and receiving pair
Side light sensor 16, which emits beam, stops masking driving motor 20 when being blocked signal.
In the present embodiment, the simple eye masking device use swing type masking structure, people can also use other classes
Like structures such as electric rollings, as long as can selectively block side checks window 6.
As shown in attached drawing 1 and 5, the Head And Face rack 5 is equipped with range sensor 7 far from the side of alphanumeric display 1,
The range sensor 7 is electrically connected with the signal receiving part for checking control system, and the range sensor 7 includes upper left distance
Sensor 71, upper right range sensor 72 and lower range sensor 73, the upper left range sensor 71 and upper right Distance-sensing
Device 72 is symmetrically placed in and checks 6 top two sides of window, and the lower range sensor 73, which is placed in, checks window 6 far from alphanumeric display 1
Side.Specifically, upper left range sensor 71 corresponds to subject's left eye socket of the eye upper marginal position, and upper right range sensor 72 is right
Subject's chin portion should be corresponded in subject's right eye socket of the eye upper marginal position, lower range sensor 73.Range sensor 7 is applied
Extensively, the maximum amount of application, to detect head part close to mobile phone, is realized automatic when mobile phone is conversed close to ear on mobile phone
Guan Ping.When face is put into the suitable position of Head And Face rack 5 by subject, three range sensors 7 detect three positions
Signal in place, so that it may confirm that subject in place and has carried out eye test preparation, after checking that control system confirms this signal
Begin to eye test.
The method for carrying out self-service eye test using above-mentioned self-service eye test equipment, includes the following steps:
Step 1 is switched on, and after self-service eye test device power-up, checks that control system adjustment alphanumeric display and Head And Face are placed
Frame is in the same horizontal position；
Step 2 identifies subject's identity information by identity recognition device, checks that control system is detected by range sensor
Light sensor signal is checked after being accurately placed in Head And Face rack to subject's Head And Face, according to light sensor signal
It determines and checks that the inspection side that window is not covered by anti-dazzling screen is left eye or right eye, record and start the inspection of the inspection side；
Step 3, self-service eye test check that control system sends single character and shows information to alphanumeric display, and character is shown
Screen shows single character, and character, which is shown, continues T seconds time, recognizes that character is directed toward for subject, subject is by pressing character side
Upper key, down key, left button and right button on acknowledgement key confirm recognition result, check that control system receives character direction acknowledgement key letter
Judge that recognition result shows information to wrong, record data, the next character of transmission after breath, subject connects a certain normal size character
After continuous N1 accuracy of judgement to judge incorrectly for smaller small level-one malapropism symbol continuous N2 time or continuously N2 times within T seconds periods not
When making a choice, which terminates, and checks that control system determines to be somebody's turn to do according to the minimum character of continuous N1 accuracy of judgement
Eye vision simultaneously records, while controlling simple eye masking device and switching to the masking inspection window other side, continues test and checking to eyes
It finishes；
Step 4, subject's eyes inspection terminate, and check that control system completes eyesight record, transmission log or print record.
In step 3, time duration T value takes the minimum value in following the two: 1, maximum length in time section is T1
Second；It 2, is T2 seconds by pressing the period of character direction acknowledgement key from the display character of alphanumeric display 1 to subject.Longest is held
The continuous period T1 seconds i.e. single character longest of subject can recognize the time, general 2-3 seconds optional, for primary grades children, can drink
Feelings extend.
In step 3, check that the original character size that control system is sent is determined according to subject's historical information, it can also
To be determined using group's mean vision information.Check that control system continuously displays M0 initial size character and identifies for subject,
Display smaller small level-one malapropism symbol is sent when identifying correct subject's continuous N 0 time, until subject is to a certain normal size word
Accord with after continuous N1 accuracy of judgement to the continuous N2 misjudgment of smaller small level-one malapropism symbol or continuously N2 times in T seconds periods
When not making a choice inside, which terminates；Conversely, 0 identification of subject's continuous N is wrong or continuous N 0 time at T seconds
Between when not making a choice in section, send and show bigger big level-one malapropism symbol, until subject connects a certain normal size character
After continuous N1 accuracy of judgement to judge incorrectly for smaller small level-one malapropism symbol continuous N2 time or continuously N2 times within T seconds periods not
When making a choice, which terminates.Wherein N2 >=N1 >=M0, General N 2 can use 3-5, and N1 takes 3-4, M0 to take 2-3, compares
Be conducive to quick and precisely complete to check and obtain accurate result.
Claims (10)
1. self-service eye test equipment, including alphanumeric display, it is characterised in that: the alphanumeric display is electrically connected with inspection control
System processed, the alphanumeric display have been provided opposite to inspection desk, Head And Face rack and character side are connected on the inspection desk
To confirmation keyboard, the Head And Face rack is equipped with the inspection being correspondingly arranged with eyes position towards the side of alphanumeric display
Window, the inspection window are equipped with simple eye masking device, and the simple eye masking device can adjust masking and check that window and any eye are right
The part answered, the Head And Face rack are equipped with range sensor far from the side of alphanumeric display, and character direction confirms keyboard
It is equipped with character direction acknowledgement key, the inspection control system and range sensor, simple eye masking device and character direction confirm
Keyboard electrical connection.
2. self-service eye test equipment according to claim 1, it is characterised in that: the alphanumeric display is placed in display
On lifting device, the display lifting device driving alphanumeric display lifting.
3. self-service eye test equipment according to claim 2, it is characterised in that: the inspection desk includes inspection desk pedestal
With the rack lifting device being connected in inspection desk pedestal, the Head And Face rack is placed on rack lifting device,
The rack lifting device driving Head And Face rack is gone up and down with respect to inspection desk.
4. self-service eye test equipment according to claim 3, it is characterised in that: the rack lifting device includes putting
Frame lifting driving and rack position detection component are set, the display lifting device includes display lifting driving and screen position
Detection part, the inspection control system and rack position detection component, display lifting driving and screen position test section
Part electrical connection；
The inspection control system is according to rack position detection component and screen position detection part feedback position signal control
System display lifting drive actions, by alphanumeric display adjust to Head And Face rack horizontal position.
5. self-service eye test equipment according to claim 1, it is characterised in that: the simple eye masking device includes shading
The masking driving of piece and driving anti-dazzling screen movement.
6. self-service eye test equipment according to claim 5, it is characterised in that: the masking driving includes masking driving
Motor, it is described masking driving motor motor shaft on be connected with first gear, the first gear is sequentially connected with second gear,
The second gear is fixedly connected with anti-dazzling screen.
7. self-service eye test equipment according to claim 5, it is characterised in that: the Head And Face rack is equipped with two
A light sensor, described two light sensors, which are placed in, checks the two sides of window, and the light sensor and anti-dazzling screen cooperate
Setting.
8. self-service eye test equipment according to claim 1, it is characterised in that: the range sensor include upper left away from
From sensor, upper right range sensor and lower range sensor, the upper left range sensor and upper right range sensor are symmetrical
It is placed in and checks window top two sides, the lower range sensor, which is placed in, checks side of the window far from alphanumeric display.
9. a kind of method for carrying out self-service eye test using the self-service eye test equipment any in claim 1 to 8,
Include the following steps:
Step 1, booting check that control system adjustment alphanumeric display and Head And Face rack are in the same horizontal position；
Step 2 checks that control system detects that subject's Head And Face is accurately placed in Head And Face and places by range sensor
Light sensor signal is checked after frame, is determined according to light sensor signal and is checked that the inspection side that window is not covered by anti-dazzling screen is a left side
Eye or right eye, record and start the inspection of the inspection side；
Step 3, self-service eye test check that control system sends single character and shows information to alphanumeric display, and character is shown
Screen shows single character, and character, which is shown, continues T seconds time, recognizes that character is directed toward for subject, subject is by pressing character side
Upper key, down key, left button and right button on acknowledgement key confirm recognition result, check that control system receives character direction acknowledgement key letter
Judge that recognition result shows information to wrong, record data, the next character of transmission after breath；Subject connects a certain normal size character
After continuous N1 accuracy of judgement to judge incorrectly for smaller small level-one malapropism symbol continuous N2 time or continuously N2 times within T seconds periods not
When making a choice, which terminates, and checks that control system determines to be somebody's turn to do according to the minimum character of continuous N1 accuracy of judgement
Eye vision simultaneously records, while controlling simple eye masking device and switching to the masking inspection window other side, continues test and checking to eyes
It finishes；
Step 4, subject's eyes inspection terminate, and check that control system completes eyesight record, transmission log or print record.
10. self-service eye test equipment according to claim 9, it is characterised in that: time duration T value takes following two
Minimum value in person: 1, maximum length in time section is T1 seconds；2, show character to subject by pressing lower word from alphanumeric display
The period for according with direction acknowledgement key is T2 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012904.9A CN109480759A (en) | 2019-01-07 | 2019-01-07 | Self-service eye test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012904.9A CN109480759A (en) | 2019-01-07 | 2019-01-07 | Self-service eye test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109480759A true CN109480759A (en) | 2019-03-19 |
Family
ID=65714157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910012904.9A Withdrawn CN109480759A (en) | 2019-01-07 | 2019-01-07 | Self-service eye test equipment |
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| CN (1) | CN109480759A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340900A (en) * | 2019-06-27 | 2019-10-18 | 哈尔滨兴业宝科技有限公司 | Contactless vision drop robot |
| CN110367926A (en) * | 2019-07-22 | 2019-10-25 | 天津市索维电子技术有限公司 | A kind of xerophthalmia check device and method applied to self-medicine |
| CN110916610A (en) * | 2019-11-14 | 2020-03-27 | 周圆 | Self-service vision examination device |
| CN112274103A (en) * | 2020-09-11 | 2021-01-29 | 中山大学 | Vision detection terminal and detection method |
-
2019
- 2019-01-07 CN CN201910012904.9A patent/CN109480759A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340900A (en) * | 2019-06-27 | 2019-10-18 | 哈尔滨兴业宝科技有限公司 | Contactless vision drop robot |
| CN110367926A (en) * | 2019-07-22 | 2019-10-25 | 天津市索维电子技术有限公司 | A kind of xerophthalmia check device and method applied to self-medicine |
| CN110916610A (en) * | 2019-11-14 | 2020-03-27 | 周圆 | Self-service vision examination device |
| CN112274103A (en) * | 2020-09-11 | 2021-01-29 | 中山大学 | Vision detection terminal and detection method |
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Application publication date: 20190319 |